LTC4010 Datasheet, PDF (2/20 Pages) Linear Integrated Systems – High Efficiency Standalone Nickel Battery Charger

LTC4010
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V_CC (Input Supply) to GND ....................... –0.3V to 40V
FAULT, CHRG, V_CELL, V_CDIV, BAT
or READY to GND .......................... –0.3V to V_CC + 0.3V
SENSE to BAT ...................................................... ±0.3V
CHEM, V_TEMP or TIMER to GND .............. –0.3V to 3.5V
PGND to GND ...................................................... ±0.3V
Current Sink: FAULT, CHRG or READY ................ 40mA
V_CDIV Current Sink ............................................... 20mA
Output Current: BGATE to TGATE .................... ±200mA
Operating Ambient Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Operating Junction Temperature (Note 3) ........... 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
FAULT 1
CHRG 2
CHEM 3
GND 4
V_TEMP 5
V_CELL 6
V_CDIV 7
TIMER 8
16 READY
15 V_CC
14 TGATE
13 PGND
17
12 BGATE
11 INTV_DD
10 BAT
9 SENSE
FE PACKAGE
16-LEAD PLASTIC TSSOP
T_JMAX = 125°C, θ_JA = 38°C/W
EXPOSED PAD (PIN 17) IS GND. MUST BE SOLDERED TO
PCB TO OBTAIN SPECIFIED THERMAL RESISTANCE
ORDER PART
NUMBER
LTC4010EFE
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS _{The ● indicates specifications which apply over the full operating}
temperature range, otherwise specifications are at T_A = 25°C. V_CC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
V_CC Supply
V_CC
Input Voltage Range
I_SHDN
Shutdown Quiescent Current
I_Q
Quiescent Current
I_CC
Operating Current
V_UVLO
Undervoltage Threshold Voltage
V_UV(HYST)
Undervoltage Hysteresis Voltage
V_SHDNI
Shutdown Threshold Voltage
V_SHDND
Shutdown Threshold Voltage
V_CE
Charge Enable Threshold Voltage
INTV_DD Regulator
V_DD
Output Voltage
I_DD
Short-Circuit Current (Note 5)
INTV_DD(MIN)
Output Voltage
PWM Current Source
V_CC = BAT = 4.8V
Waiting to Charge (Pause)
Fast Charge State, No Gate Load
V_CC Increasing
DCIN – V_CC, DCIN Increasing
DCIN – V_CC, DCIN Decreasing
V_CC – BAT, V_CC Increasing
No Load
INTV_DD = 0V
V_CC = 4.5V, I_DD = –10mA
● 4.5
34
V
●
5
10
µA
●
3
4.5
mA
●
5
7
mA
● 4.15
4.25
4.35
V
170
mV
● 45
65
90
mV
● 15
25
38
mV
● 455
545
mV
● 4.5
5
5.5
V
● 28
50
100
mA
● 3.85
V
V_FS
BAT – SENSE Full-Scale Regulation 0.3V < BAT < V_CC – 0.1V, 0°C < T_A < 50°C ● 95
100
105
mV
Voltage (Fast Charge)
V_PC
BAT – SENSE Precharge Regulation 0.3V < BAT < V_CC – 0.1V, 0°C < T_A < 50°C ● 17
20
23
mV
Voltage
V_TC
BAT – SENSE Top-Off Charge
0.3V < BAT < V_CC – 0.1V, 0°C < T_A < 50°C ● 7.5
10
12.5
mV
Regulation Voltage
4010p
2